Editorial: Change "the code point value of the SV of |HexEscapeSequen…

…ce|"

... to "the numeric value of the code unit that is the SV of |HexEscapeSequence|".

The SV of |HexEscapeSequence| is a single code unit,
and it doesn't make much sense to ask for
the code point value of a code unit.

spec.html

@@ -29418,7 +29418,7 @@ <h1>Static Semantics: CharacterValue</h1>
         </emu-note>
         <emu-grammar>CharacterEscape :: HexEscapeSequence</emu-grammar>
         <emu-alg>
-          1. Return the code point value of the SV of |HexEscapeSequence|.
+          1. Return the numeric value of the code unit that is the SV of |HexEscapeSequence|.
         </emu-alg>
         <emu-grammar>RegExpUnicodeEscapeSequence :: `u` LeadSurrogate `\u` TrailSurrogate</emu-grammar>
         <emu-alg>